Finding the Fourth Proportional to 2,911,496.80, 4,366,467.60 and 889,736.80
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Solution
The fourth proportional to 2,911,496.80, 4,366,467.60 and 889,736.80 is: 1,334,367.57
Step by Step Solution
- Step 1: Write the proportion equation
2,911,496.80 : 4,366,467.60 = 889,736.80 : x - Step 2: Convert to fraction form
2,911,496.80/4,366,467.60 = 889,736.80/x - Step 3: Cross multiply
2,911,496.80x = 4,366,467.60 × 889,736.80 - Step 4: Simplify right side
2,911,496.80x = 3,885,006,909,727.68 - Step 5: Solve for x
x = 3,885,006,909,727.68/2,911,496.80 - Step 6: Final answer
x = 1,334,367.57
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.